Five Star Hydraulic Motor With High Torque ZGM3-600 ZGM3-700
ZGM3-600 is a classic domestically produced large displacement axial piston hydraulic motor. This large displacement motor is designed specifically for equipment that requires tremendous driving force and low-speed smooth operation.
Core Conclusion: Model Interpretation and Positioning
The model name "ZGM3-600" clearly indicates its key features:
ZGM: Z-axis plunger, G-link type/cylinder fixed type (or "for construction machinery"), M hydraulic motor. This is a common naming convention in the early days of China's hydraulic industry, which draws on the standards of the former Soviet Union and differs from the naming system of international mainstream brands such as Rexroth and Parker.
3: Usually represents the product series number or design serial number.
600: The most critical number, representing a nominal displacement of 600 milliliters per revolution. This is a very large displacement, which directly determines that it is a low-speed high torque hydraulic motor.
Main technical features and inferred parameters
Based on a displacement of 600ml/r and the structural type of ZGM, the typical features of this motor are as follows:
Type: Axial piston quantitative motor. The structure is sturdy, impact resistant, and particularly suitable for heavy loads.
Working mode: usually bidirectional rotation with mechanical brake interface (normally closed).
Typical performance range (estimated):
Rated working pressure: 16-25 MPa (approximately 160-250 bar)
Peak pressure: up to 28-32 MPa
Output torque: Under a pressure of 20MPa, the theoretical output torque is approximately 1900 N · m (calculation formula: torque ≈ (displacement x pressure)/(2 π)). The actual torque is slightly lower due to mechanical efficiency.
Speed range: Low speed, typically rated at around 100-300 rpm, with the lowest stable speed possibly below 10 rpm.
Installation and Connection:
Installation form: Usually flange installation (B5 or similar standards).
Shaft extension form: spline shaft (commonly involute spline) or flat key shaft.
Oil port: Large diameter threaded oil port (such as M33 × 2), directly through the oil passage, without any leakage oil port from the shell (the shell return oil needs to be treated separately).
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